Estimation of Modal Decay Parameters from Noisy Response Measurements

Antsalo P, Makivirta A, Valimaki V, Peltonen T, Karjalainen M. Estimation of Modal Decay Parameters from Noisy Response Measurements. In: AES Convention 110. Audio Engineering Society; 2001. Paper 5290. Available from: https://aes.org/publications/elibrary-page/?id=9992

@inproceedings{Antsalo2001_9992,
  author = {Antsalo, Poju and Makivirta, Aki and Valimaki, Vesa and Peltonen, Timo and Karjalainen, Matti},
  title = {{Estimation of Modal Decay Parameters from Noisy Response Measurements}},
  booktitle = {AES Convention 110},
  note = {Paper 5290},
  year = {2001},
  month = may,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=9992}
}

TY  - CPAPER
TI  - Estimation of Modal Decay Parameters from Noisy Response Measurements
AU  - Antsalo, Poju
AU  - Makivirta, Aki
AU  - Valimaki, Vesa
AU  - Peltonen, Timo
AU  - Karjalainen, Matti
T2  - AES Convention 110
M1  - Paper 5290
PY  - 2001
DA  - 2001/05/06
UR  - https://aes.org/publications/elibrary-page/?id=9992
PB  - Audio Engineering Society
LA  - en
AB  - Estimation of modal decay parameters from noisy measurements of reverberant and resonating systems is a common problem in audio and acoustics, e.g., in room and concert hall measurements or musical instrument modeling. In this paper, reliable methods to estimate the initial response level, decay rate, and noise floor level from noisy measurement data are studied and compared. A new method, based on nonlinear optimization of a model for exponential decay plus stationary noise floor, is presented. Comparison with traditional decay parameter estimation techniques using simulated measurement data shows that the proposed method outperforms in accuracy and robustness, especially in extreme SNR conditions. Three cases of practical applications of the method are demonstrated.
ER  -